Combined Application of Bamboo Charcoal and Organic Fertilizer: Effects on Soil Nutrients and Enzyme Activities in Root Area of Grape

doi:10.11924/j.issn.1000-6850.casb20200300235

Abstract

Abstract:

The objective is to explore the effects of co-application bamboo charcoal and organic fertilizer on soil nutrients and enzyme activities in grape fields, and provide ideas for soil improvement. The grape variety ‘summer black’ was used as the test material, a field experiment was conducted to set up different gradients of combined application with bamboo charcoal and organic fertilizer, the soil properties and enzyme activities were determined and analyzed. The results showed that the organic matter, total nitrogen, total phosphorus and available phosphorus contents of topsoil (0-20 cm) were higher than that of subsoil (20-40 cm). Compared with the organic fertilizer application, the combined application with bamboo charcoal and low- dose organic fertilizer increased the total phosphorus and available phosphorus contents of the topsoil, the combined application of bamboo charcoal and medium-dose organic fertilizer improved organic matter, total nitrogen, total phosphorus and available phosphorus of the topsoil, and the combined application of bamboo charcoal and medium-dose organic fertilizer increased organic matter and available potassium contents of the topsoil. The combined application of bamboo charcoal and low-dose or medium-dose organic fertilizer enhanced the activity of catalase and inhibited the activity of sucrose in soil. While the combined application with bamboo charcoal and high-dose organic fertilizer inhibited the activity of catalase, and it did not significantly affect the activity of urease in soil. Five groups (B0M, B3L and B3M and B6M, B6L, B0H and B6H, B0L and B3H) were distributed by cluster analysis. In a short term, the application of 6% bamboo charcoal and medium-dose organic fertilizer is the recommended combination that shows the best synergistic effect on the soil quality. The long-term effects should be explored in the future.

Key words: bamboo charcoal, organic fertilizer, grape, soil nutrient, enzyme activity

CLC Number:

S158

Chen Limei, Li Xiaoying, Lu Xiaoying, Li Junlong, Bai Xue. Combined Application of Bamboo Charcoal and Organic Fertilizer: Effects on Soil Nutrients and Enzyme Activities in Root Area of Grape[J]. Chinese Agricultural Science Bulletin, 2021, 37(3): 81-89.

Figures/Tables 7

References 26

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处理	过氧化氢酶/[mg/(g·30min)]	脲酶/[μg/(100g·24h)]	蔗糖酶/[mg/(100g·24h)]
B0L	7.26±0.26bc	34.79±0.22a	73.28±1.70a
B3L	9.10±0.57a	34.51±0.97a	60.38±0.99bc
B6L	9.04±1.09a	26.84±1.08a	57.48±0.85c
B0M	7.14±0.29c	27.18±3.36a	65.48±3.96b
B3M	9.12±0.64a	31.53±0.18a	60.18±0.99bc
B6M	8.86±0.22a	34.98±1.74a	58.98±0.42bc
B0H	9.61±0.64a	31.82±1.59a	61.08±0.57bc
B3H	8.51±0.07ab	29.64±5.50a	62.38±1.56bc
B6H	8.49±0.26ab	29.74±7.42a	57.08±0.57c

处理	过氧化氢酶/[mg/(g·30min)]	脲酶/[μg/(100g·24h)]	蔗糖酶/[mg/(100g·24h)]
B0L	7.26±0.26bc	34.79±0.22a	73.28±1.70a
B3L	9.10±0.57a	34.51±0.97a	60.38±0.99bc
B6L	9.04±1.09a	26.84±1.08a	57.48±0.85c
B0M	7.14±0.29c	27.18±3.36a	65.48±3.96b
B3M	9.12±0.64a	31.53±0.18a	60.18±0.99bc
B6M	8.86±0.22a	34.98±1.74a	58.98±0.42bc
B0H	9.61±0.64a	31.82±1.59a	61.08±0.57bc
B3H	8.51±0.07ab	29.64±5.50a	62.38±1.56bc
B6H	8.49±0.26ab	29.74±7.42a	57.08±0.57c

	有机质	全氮	全磷	全钾	pH	速效钾	有效磷	脲酶	过氧化氢酶	蔗糖酶
有机质	1
全氮	0.833^**	1
全磷	0.181	0.198	1
全钾	0.596^**	0.622^**	-0.012	1
pH	-0.113	-0.248	-0.119	0.2	1
速效钾	-0.024	-0.152	0.142	-0.342	-0.504^*	1
有效磷	0.646^**	0.657^**	0.396	0.585^*	0.172	-0.464	1
脲酶	0.540^*	0.399	-0.019	0.201	-0.226	0.2	0.188	1
过氧化氢酶	-0.16	0.038	-0.052	-0.211	-0.096	-0.215	0.259	0.186	1
蔗糖酶	0.174	0.023	0.22	-0.099	-0.139	0.405	-0.277	0.132	-0.670^**	1

	有机质	全氮	全磷	全钾	pH	速效钾	有效磷	脲酶	过氧化氢酶	蔗糖酶
有机质	1
全氮	0.833^**	1
全磷	0.181	0.198	1
全钾	0.596^**	0.622^**	-0.012	1
pH	-0.113	-0.248	-0.119	0.2	1
速效钾	-0.024	-0.152	0.142	-0.342	-0.504^*	1
有效磷	0.646^**	0.657^**	0.396	0.585^*	0.172	-0.464	1
脲酶	0.540^*	0.399	-0.019	0.201	-0.226	0.2	0.188	1
过氧化氢酶	-0.16	0.038	-0.052	-0.211	-0.096	-0.215	0.259	0.186	1
蔗糖酶	0.174	0.023	0.22	-0.099	-0.139	0.405	-0.277	0.132	-0.670^**	1